
main > aside  {
    width: 220px;
    background-color: #f8f8f8;
    border-right: 1px solid #e7e7e7;
}

dt {
    font-weight: bold;
    border-bottom: 1px solid #e7e7e7;
    border-top: 1px solid #e7e7e7;
    background-color: #eeeeee;
    padding-left: 60px;
    cursor: default;
}

dd {
    text-align: center;
    display: none;
}

dd:hover {
    background-color: #f1f1f1;
    color: #255d8d;
}

dl, dt, dd {
    line-height: 40px;
    color: #337ab7;
}

dd.active {
    background-color: #f1f1f1;
    color: #255d8d;
}

section {
    padding: 30px;
    flex-grow: 1;
}

.section-content h2 {
    font-size: 36px;
    border-bottom: 1px solid #e7e7e7;
    padding-bottom: 10px;
}

.section-content .content {
    padding: 20px;
}


#studentsAdd .content-info> div, #studentsUpdate .content-info> div {
    display: flex;
}

table {
    width: 100%;
    text-align: center;
}


table, th, td {
    border: 1px solid #ddd;
    border-collapse: collapse;
}

th, td {
    padding: 10px 0;
}

tbody tr:nth-child(2n - 1) {
    background-color: #f5f5f5;
} 

.form-content input[type=radio], .form-content input[type=checkbox] {
    vertical-align: -1px;
}

.right-info {
    margin-left: 100px;
}


.image-frame {
    border: 1px dashed #ddd;
    width: 180px;
    height: 180px;
    border-radius: 5px;
}

.image-frame > img{
    width: 100%;
    height: 100%;
}



.search-frame {
    width: 250px;
    height: 30px;
    border-radius: 5px;
    display: flex;
    border: 1px solid #ddd;
    overflow: hidden;
    padding-left: 10px;
}

.search-frame > * {
    border-radius: 0px;
    border: none;
    outline: none;
}

.search-frame > input {
    flex-grow: 1;
    border-left: 1px solid #ddd;
    text-indent: 10px;
}

.checkbox-frame > label {
    display: block;
    margin-bottom: 10px;
}